XG-6600SQR Model XG-6600SQR is an extruded aluminum architectural square linear slot, return diffuser available with 1/2-inch, 3/4-inch, or one-inch slot widths and one to four slots. XG-6600SQ Series XG-6600SQ XG-6600SQI XG-6600SQR × Purchase Options: REQUEST A QUOTE Configure to Order Need a specific configuration? Submit a request online and get a quote from your local representative within 4 hours. REQUEST QUOTE Show All Submittals XG-6600SQR - Modular Slot Architectural Return Diffuser, Aluminum Performance XG-6600SQ Performance Catalogs Diffuser Selection Flow Chart Linear Diffuser & Grilles Product Handbook Other Product Information Finish Options Warranty Warranty Statement for Air Distribution Products